Atmail is a fully-featured email server and Webmail client, allowing users to send and receive email via a Web browser or mobile device. It has full support for
IMAP mailboxes, and an optional email-server mode that uses EXIM as the MTA. Features include a scheduler, MySQL backend support, spell-check, address book, calendar user preferences, multiple accounts, SpamAssassin support, migration scripts from other mail servers, a customizable interface, an attractive AJAX interface, an optional group sharing Calendar/Addressbook, and an Outlook plugin to sync Contacts/Tasks/Calendar data between a Desktop, Mobile, and Webmail client or other email users.

BitNami concrete5 CMS Stack Native Installer is an easy-to-install distribution of the concrete5 CMS application. It includes pre-configured, ready-to-run versions of Apache, MySQL, PHP, and phpMyAdmin so users can get a concrete5 CMS installation up and running in minutes after answering a few questions. Windows, Linux, Linux 64, Mac OS X, and Unix operating systems are supported. concrete5 CMS is a content management system that allows you to deploy Web applications, Websites, stores, and forums and easily manage their content and site structures. It is also a flexible framework written in Object Oriented PHP 5, and follows a very extendable Model View Controller approach.

BitNami OSClass Stack is an easy-to-install distribution of the OSClass application. It includes pre-configured, ready-to-run versions of Apache, MySQL, PHP, and phpMyAdmin so users can get a OSClass installation up and running in minutes after answering a few questions. Windows, Linux, Linux 64, Mac OS X, and Unix operating systems are supported. OSClass allows you to easily create a classifieds site without any technical knowledge. It provides support for presenting general ads or specialized ads through modules (cars, jobs, real estate, dating, etc), offers many customization options, and is extensible and multilingual.

BitNami Apache Solr Stack is an easy-to-install environment for developing and deploying Java applications. It includes pre-configured, ready-to-run versions of Apache and Java so users can get the environment up and running in minutes after answering a few questions. Windows, Linux, Linux 64, and Mac OS X operating systems are supported. It includes Apache Solr, a fast enterprise search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search, dynamic clustering, database integration, rich document (e.g., Word, PDF) handling, and geospatial search.

BitNami ThinkUp Stack is an easy-to-install distribution of the ThinkUp application. It includes pre-configured, ready-to-run versions of Apache, MySQL, PHP, and phpMyAdmin so users can get ThinkUp running in minutes after answering a few questions. ThinkUp is a Web application that captures all your activity on social networks like Twitter, Facebook, and Google+. It allows you to store your social activity in a database that you control, making it easy to search, sort, analyze, publish, and display activity from your network.

h2H Messenger is a secure messenger client that uses PHP OpenSSL functions, mcrypt, and PHPSecLib to encrypt messages at-rest using RSA keys. The user only creates an account and the application handles the public key generation, key management, key exchange, and encryption and decryption of messages. There are no algorithms or key sizes to choose. It uses strong standards (AES 256, 4096 bit RSA Keys, SHA1, SHA512, etc.) in the background, and requires two-factor authentication using a code sent via SMS or using Asterisk.

"PHP Web Security Monitor" is designed to protect Internet sites created with PHP from malicious queries from hackers and Web viruses. It filters common PHP variables via prepared security patterns and compares (unprotected) input variables against patterns of dangerous data, such as SQL injection, XSS injection, and PHP code compromising.

PHPSmartGrid is a simple PHP control that generates CRUD applications based on an Ajax data grid. It features sort by multiple columns, toolbar searching with the possibility to select different search operations, column grouping with summary, multiple datagrids, auto paging, integrated graphics with a MySQL database, a calendar system similar to the Microsoft Outlook calendar, conditional row/column, download and upload, and more.

Hados stores files in a cluster of servers. Its goal is to handle high availability by storing copies of the same file on several nodes. It provides RESTFUL APIs to easily store, check, or retrieve files. Using the cluster APIs, you can retrieve files from whichever node hosts them. To avoid any single point of failure, it is possible to apply a request to any node of the cluster; there is no master node.

Open School Admin (OSA) is a Web-based school administration system primarily focused on ease of use and access to school information. It has been in continuous use and development for the past 7 years.
It manages all aspects of school administration: student enrollment, class scheduling, mark reporting, attendance, user accounts, and room booking. Through the use of various plugins, it also manages email announcements (including automated attendance notices), government reporting, dorm room management, Alumni relations, etc. It is a standalone application written using a Perl/MySQL back end. It requires a Web server (Apache/Lighttpd tested) and should run out of the box on any Unix system.
While OSA itself is very mature, the installation and setup is still a young and evolving process.